3987590049 has 12 divisors (see below), whose sum is σ = 5764554900. Its totient is φ = 2656222944.

The previous prime is 3987590029. The next prime is 3987590051. The reversal of 3987590049 is 9400957893.

3987590049 is a `hidden beast` number, since 3 + 9 + 8 + 7 + 590 + 0 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2437199424 + 1550390625 = 49368^2 + 39375^2 .

It is not a de Polignac number, because 3987590049 - 2²⁹ = 3450719137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3987589977 and 3987590004.

It is not an unprimeable number, because it can be changed into a prime (3987590029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169194 + ... + 191315.

It is an arithmetic number, because the mean of its divisors is an integer number (480379575).

Almost surely, 2^3987590049 is an apocalyptic number.

It is an amenable number.

3987590049 is a deficient number, since it is larger than the sum of its proper divisors (1776964851).

3987590049 is a wasteful number, since it uses less digits than its factorization.

3987590049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361744 (or 361741 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 3987590049 is about 63147.3677123600. The cubic root of 3987590049 is about 1585.7577205501.

The spelling of 3987590049 in words is "three billion, nine hundred eighty-seven million, five hundred ninety thousand, forty-nine".